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General Specification V29-225 kW <br />Date:. 2K.. Nov- l.yyfi-. Class: 1 Item no..: 941521.R3 |. Page: 22 of 22 <br />Where, d = distance from the base of the' wind turbine to (lie measurement (d = 56 m). <br />Ii = bub height, (h — 32 m). <br />6b; The measurements show the following results at a wind speed of 8 m/s, The measurements are given <br />respectively, as the A-weighted sound pressure level: LAevef and the A-weighted sound power level <br />WA.ref' <br />Frequency <br />Sound <br />pressure <br />[dB(A)] <br />1/1 octave 63 Hz 35.2 <br />1/1 octave 125 Hz 42.5 <br />1/1 octave 250 Hz 47.3 <br />1/1 octave 500 Hz 52,1 <br />1/1 octave 1 kHz 51,1 <br />1/1 octave 2 kHz 48.4 <br />1/1 octave 4 kHz 40.4 <br />1/1 octave 8 kHz <br />A-weighted, total <br />29.8 <br />56.6 <br />Sound <br />Power <br />L-WA.rcf MB(A)]. <br />76.4 <br />83.7 <br />93.3 <br />92.3 <br />89.6 <br />81-6 <br />71,0 <br />97.8 <br />According to statoturial order no. 304 <br />stry of the Environment, the degree ci'm <br />6c, An analysis of the noise in a di <br />clearly audible tones or impulsi <br />6/1984, "Noise from Industrial <br />6d. <br />ay 14, 1991, from the Danish Mifii- <br />jracy^i)^^ results is.±2 dB, <br />:er show that the noise from the turbine contains no <br />has been pre-formed according to guideline no. <br />he Danish Ministry of the Environment. <br />VBI»SW29 - 225 kW <br />Sound Pressure Level 1,5 m qjdfiis ground. a|jf. function of distance from turbine (inol. airabsorption) <br />250 300 350 400 <br />Distance from turbine [ml